Fluorescent lighting fixture grill



FIG. 1 is a bottom perspective view of a fluorescent lighting fixture grill showing my new design;

FIG. 2 is a front elevational view thereof, the rear being a mirror image;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right end elevational view thereof, the left end being a mirror image;

FIG. 5 is a top plan view thereof. 

The ornamental design for a fluorescent lighting fixture grill, as shown and described. 